/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package edu.chl.hansena.webshop.nbp;

import java.io.IOException;
import java.io.PrintWriter;
import java.security.NoSuchProviderException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author hansena
 */
@WebServlet(name="testServlet", urlPatterns={"/testServlet"})
public class testServlet extends HttpServlet {
    //public ShoppingCart mellanlagringftw;
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException, NoSuchProviderException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();

        try {
             
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet testServlet</title>");  
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet testServlet at " + request.getContextPath () + "</h1>");
            out.println("</body>");
            out.println("</html>");
             
            
            String action = request.getParameter("action");
            //out.println("<p> You requested: " + action + "</p>");
            if( action.equals("shop")){
                    request.getRequestDispatcher("shop.jspx").forward(request, response);
            }
            else if(action.equals("pay")){
                    response.sendRedirect("pay.jspx");
            }
            else if(action.equals("viewcart")){
                    response.sendRedirect("viewCart.jspx");
            }
            else if(action.equals("exit")){
                    response.sendRedirect("exit.jspx");
            }
            else if(action.equals("addItem")){
                    ShoppingCart cart = (ShoppingCart) request.getSession().getAttribute("cart");
                    if( cart == null)
                    {
                        cart = new ShoppingCart();
                        request.getSession().setAttribute("cart", cart);
                    }
                    String item = request.getParameter("items");
                    cart.addItem(item);
                    //mellanlagringftw = cart;
                    response.sendRedirect("shop.jspx");

            }
            else if(action.equals("mail")){
                //mailServlet servlet = new mailServlet();
                //servlet.processRequest(request, response, mellanlagringftw );
                //request.getSession().invalidate();
                //response.sendRedirect("exit.jspx");
                response.sendRedirect("mail");

            }
             
            //System.out.println(request.getRequestURL());
            //System.out.println(request.getContextPath());

        } finally { 
            out.close();
        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        try {
            processRequest(request, response);
        } catch (NoSuchProviderException ex) {
            Logger.getLogger(testServlet.class.getName()).log(Level.SEVERE, null, ex);
        }
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        try {
            processRequest(request, response);
        } catch (NoSuchProviderException ex) {
            Logger.getLogger(testServlet.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
